Solve the variation problem.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $1400.00 with an interest rate of 2% earned $140.00 in simple interest. Find the amount of simple interest earned if the principle is $3500.00 and the interest rate is 7%.
A. $1225.00
B. $350.00
C. $122,500.00
D. $490.00
Answer: A
Mathematics
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Solve the differential equation.y'' + 14y' + 29y = 0
A. y = e-7x(C1 cos 2
x + C2 sin 2
x )
B. y = e7x(C1e 2
x + C2e- 2
x )
C. y = e-7x(C1e 2
x + C2e- 2
x )
D. y = e-2
x(C1e 7x + C2e- 7x )
Mathematics
The following question(s) refer to a fractal defined by the recursive procedure :
What is the length of the leftmost line segment in step 3 of the construction?
A. 
3
B. 
2
C. 
5
D. 
E. none of these
Mathematics
Suppose f and g are functions that are differentiable at x = 6 and that ?f?(5) = 1, ?f? '(5) = -1, ?g?(5) = -2, and g'?(5) = 5. Find the value of ?h? '(5).
?
What will be an ideal response?
Mathematics
Write the percent problem as a proportion.What percent of 76 is 24?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics